He noted that the letters of the alphabet were placed at regular intervals -though in no particular order-round the circumference of the table.

There are no more uses of "circumference" in the book.

Show samples from other sources

He walked quickly around its entire circumference, running his left hand along the wall as he did so.

James Dashner -- The Scorch Trials

In order to ensure that my claim would not be overlooked, I felt obliged to make a property mark on stones, clumps of moss, and patches of vegetation at intervals of not more than fifteen feet around the circumference of my claim.